Based on this product's specifications, here are some alternatives and similar models
Keyboard for Asus FA506 / FA706 laptops, US layout, backlit, replacement part KB314959
Summary description:
Replacement keyboard compatible with Asus FA506 and FA706 laptop models. US (QWERTY) layout with integrated backlight for typing in low light. Designed as a direct replacement part (MPN KB314959) to restore full keyboard functionality. Ideal for repair or upgrade when original keys are damaged or backlight fails.